The caption in the album for this picture is Inez, Gene, Dorothy.
I know it is Inez Ehlers.
Gene would have to be a nickname.
There were quite a few Dorothy names during this time period: Dorothy Parkhouse, Dorothy Bartels, Dorothy Rostermundt, Dorothy Martens

The other Dorothy was a cousin to Helen Frahm and was Dorothy Lohmeier.
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Only one Alma in this school period - Alma Asmus MHS 1934
The only Aileen is Aileen Danielson former MHS 1935

Inez Ehlers, Gene - this is how her name is spelled in the caption, Dorothy